Autonomic Nervous System

Question 1

What is the autonomic nervous system?

Answer 1

The nervous system that regulates visceral activities like circulation and digestion

Question 2

What is the role of ciliary ganglion? [Peripheral Ganglia in Parasympathetic Divison]

Answer 2

CN 3
A. Post-ganglionic fibers innervate muscles of the eye
B. Constrictor (sphincter) muscle to constrict pupil

Question 3

What is the role of pterygopalatine ganglion? [Peripheral Ganglia in Parasympathetic Divison]

Answer 3

Synapses with CN 7
A. Post G axons innervate lacrimal glands of the eye
B. Post G innervate salivary glands

Question 4

What is the role of otic ganglion? [Peripheral Ganglia in Parasympathetic Divison]

Answer 4

Synapse with CN 9

A. Post G axons innervate parotid salivary gland

Question 5

What is the role of terminal ganglion? [Peripheral Ganglia in Parasympathetic Divison]

Answer 5

Synapses with CN 10 (vagus) and lies within walls of target organs